PEG124VB1220QL1 Equivalent & Substitute Parts

Part Overview

The PEG124VB1220QL1 is a 2.2 µF, 400 V aluminum electrolytic capacitor in axial, can package configuration manufactured by KEMET. This component is designed for general-purpose applications requiring stable capacitance and extended operational life at elevated temperatures. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility with existing circuit designs.

Substiute Parts

PEG124VB1220QL1

KEMETIn Stock: 1114PEG124VB1220QL1 Datasheet

Current PartRFQ

PEG124VB1220QE4

KEMETIn Stock: 1170PEG124VB1220QE4 Datasheet

MFR RecommendedRFQ

PEG124VB1220QT1

KEMETIn Stock: 1013PEG124VB1220QT1 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PEG124VB1220QL1 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Capacitance value: 2.2 µF (exact match required)
• Voltage rating: 400 V (minimum requirement)
• Tolerance: -10%, +30% (matching specification)
• ESR @ 100 Hz: 25 Ohm (matching specification)
• Lifetime @ Temperature: 5000 Hrs @ 105°C (matching specification)
• Operating temperature range: -40°C ~ 105°C (matching specification)

Mechanical Equivalence Criteria:

• Package type: Axial, Can (exact match required)
• Mounting type: Through Hole (exact match required)
• Physical dimensions: 0.394" Dia x 1.142" L / 10.00 mm x 29.00 mm (exact match required)
• Polarization: Polar (exact match required)

Compliance Criteria:

• RoHS3 Compliant status
• REACH Unaffected status
• ECCN: EAR99 classification

Substitute parts must satisfy all electrical, mechanical, and compliance criteria to ensure direct circuit compatibility without design modification.

Parameter Comparison

Engineering Selection Recommendations

PEG124VB1220QE4 (MFR Recommended Substitute)

The PEG124VB1220QE4 is the manufacturer-recommended equivalent for the discontinued PEG124VB1220QL1. This part maintains full electrical and mechanical compatibility with identical capacitance, voltage rating, tolerance, ESR, lifetime rating, and operating temperature specifications. The component is currently in active production status with 1102 units in stock. All compliance certifications match the original specification, including ROHS3 compliance and REACH Unaffected status.

The PEG124VB1220QE4 exhibits a reduced ripple current rating at 5 kHz (110 mA versus 270 mA), which represents a design variation within the PEG124 series. This difference does not affect electrical equivalence for general-purpose applications operating within the specified ripple current envelope.

PEG124VB1220QT1 (Upgrade Alternative)

The PEG124VB1220QT1 serves as an upgrade alternative, offering identical electrical specifications to the original PEG124VB1220QL1, including the full 270 mA ripple current rating at 5 kHz. This part is currently in active production status with 993 units in stock. The component maintains all compliance certifications and mechanical compatibility. The packaging designation differs (Bulk versus standard), indicating a different distribution format without affecting component performance or circuit compatibility.

Both substitute parts are ROHS3 compliant and REACH Unaffected, meeting current regulatory requirements for electronic component deployment.

Frequently Asked Questions (FAQ)

Q: Can PEG124VB1220QE4 be used as a direct replacement for PEG124VB1220QL1?

A: Yes. The PEG124VB1220QE4 maintains electrical and mechanical equivalence across all critical parameters: 2.2 µF capacitance, 400 V voltage rating, 25 Ohm ESR @ 100 Hz, 5000 Hrs @ 105°C lifetime, and identical physical dimensions (10.00 mm x 29.00 mm). The component is pin-compatible and requires no circuit modification.

Q: What is the significance of the different ripple current rating at 5 kHz between PEG124VB1220QE4 and PEG124VB1220QL1?

A: The PEG124VB1220QE4 specifies 110 mA ripple current at 5 kHz compared to 270 mA for the original part. This represents a design variation within the PEG124 series. For applications operating within the 110 mA envelope at 5 kHz, the PEG124VB1220QE4 provides full compatibility. For applications requiring the full 270 mA ripple current capacity, the PEG124VB1220QT1 maintains the original specification.

Q: Are there packaging differences between the substitute parts?

A: The PEG124VB1220QT1 is designated as Bulk packaging, while the PEG124VB1220QE4 uses standard packaging. This distinction refers to distribution format and does not affect the component itself, its electrical performance, or circuit compatibility. Both parts are identical axial, can-type through-hole capacitors with matching physical dimensions.

Q: Do the substitute parts meet the same compliance standards as the original PEG124VB1220QL1?

A: Yes. Both PEG124VB1220QE4 and PEG124VB1220QT1 are ROHS3 compliant and REACH Unaffected, matching the original part's regulatory status. Both components carry the same ECCN (EAR99) and HTSUS (8532.22.0020) classifications.

Q: What is the current availability status of these substitute parts?

A: PEG124VB1220QE4 is in active production with 1102 units in stock. PEG124VB1220QT1 is in active production with 993 units in stock. The original PEG124VB1220QL1 is discontinued at DiGi Electronics, making these substitutes the available alternatives for new procurement.

Q: Can both substitute parts be used interchangeably in the same circuit design?

A: Both parts are electrically and mechanically equivalent for general-purpose applications. Selection between them depends on ripple current requirements at 5 kHz. For applications requiring 270 mA ripple current capacity, use PEG124VB1220QT1. For applications operating within 110 mA ripple current at 5 kHz, either part is suitable.